<p>验算焊接工字形压弯构件平面内稳定性。<br><img max-width="300" src="https://learnfile.20230611.cn/learnAppQuestion/9d/8c/9d8c2ddc30f33f32a413067e00c51c34.jpg" style="width: 100%;height: auto;"><br><br><img max-width="300" src="https://learnfile.20230611.cn/learnAppQu